To support hpd during sleep a new feature flag is added in vbt and also in dev_priv for enabling/disabling inside deiver. By default this feature will be diabled and based on oem request this feature can be enabled by changing vbt feature flag.
Signed-off-by: Animesh Manna <[email protected]> Signed-off-by: A.Sunil Kamath <[email protected]> --- drivers/gpu/drm/i915/i915_drv.h | 8 ++++++++ drivers/gpu/drm/i915/i915_reg.h | 1 + drivers/gpu/drm/i915/intel_vbt_defs.h | 3 ++- 3 files changed, 11 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index dd18772..445b80b 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -1429,6 +1429,11 @@ enum psr_lines_to_wait { PSR_8_LINES_TO_WAIT }; +enum hpd_wakeup_state { + DISABLE_HOT_PLUG_AS_WAKE_EVENT = 0, + ENABLE_HOT_PLUG_AS_WAKE_EVENT +}; + struct intel_vbt_data { struct drm_display_mode *lfp_lvds_vbt_mode; /* if any */ struct drm_display_mode *sdvo_lvds_vbt_mode; /* if any */ @@ -1485,6 +1490,9 @@ struct intel_vbt_data { const u8 *sequence[MIPI_SEQ_MAX]; } dsi; + /* HPD as wakesoure for DC9 BXT */ + enum hpd_wakeup_state hpd_wakeup_enabled; + int crt_ddc_pin; int child_dev_num; diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 12f5103..cc42bd9 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -6119,6 +6119,7 @@ enum skl_disp_power_wells { SDE_PORTB_HOTPLUG | \ SDE_PORTC_HOTPLUG | \ SDE_PORTD_HOTPLUG) + #define SDE_TRANSB_CRC_DONE (1 << 5) #define SDE_TRANSB_CRC_ERR (1 << 4) #define SDE_TRANSB_FIFO_UNDER (1 << 3) diff --git a/drivers/gpu/drm/i915/intel_vbt_defs.h b/drivers/gpu/drm/i915/intel_vbt_defs.h index 749dcea..8e2b765 100644 --- a/drivers/gpu/drm/i915/intel_vbt_defs.h +++ b/drivers/gpu/drm/i915/intel_vbt_defs.h @@ -547,7 +547,8 @@ struct bdb_driver_features { u16 tbt_enabled:1; u16 psr_enabled:1; u16 ips_enabled:1; - u16 reserved3:4; + u16 reserved3:3; + u16 hpd_wakeup_source:1; u16 pc_feature_valid:1; } __packed; -- 2.0.2 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
